The most common side effects from using Synthroid, especially over the long term, are feelings of anxiety, insomnia and muscle tremors. Patients may also experience heart palpitations. These side effects can occur at any time, as the levels of thyroid hormone in the blood fluctuate.he thyroid gland secretes a hormone that regulates metabolism. Because Synthroid works to replace this hormone, long-term use can lead to some of the characteristics of an overactive metabolism.
Morin is a common French surname meaning The dark skinned or dark haired one. Augustin-Norbert Morin (1803â1865), lawyer, judge and politician, joint Premier of the Province of Canada. 2  Blain Morin, Canadian politician and labour union organizer. 3  Claude Morin (ADQ politician) (born 1953), Canadian politician.
The first recorded spelling of the family name is shown to be that of Robert Morin, which was dated circa 1140, in the Documents relating to the Danelaw for the city of London, during the reign of King Stephen, known as Count of Blois, 1135 - 1154.aking Ireland first, the modern spelling originates from the pre 10th century Olde Gaelic O' Murchain, (the son of the descendant of Murdoch), and in the forms above has been very popular in counties Offally and Kildare since at least 1659 when it is shown to be the most numerous name in at least five baronies.